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4.3 Electric circuits

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Question 38

Electrical appliances in a household circuit are connected in parallel to the mains power supply.

Which statement describes an advantage of this arrangement?

A

Each appliance receives the full mains voltage and can be operated independently of the others.

B

The total current drawn from the mains supply is lower than if they were in series.

C

The overall resistance of the circuit increases when more appliances are turned on.

D

If one appliance fails and creates an open circuit, all other appliances will also turn off.

Markscheme

4.3 Electric circuits Questions

  1. IGCSE
  2. /Physics
  3. /4.3 Electric circuits

136 exam-style questions on CIE IGCSE Physics 4.3 Electric circuits, covering 4.3.1a Circuit diagrams and circuit components, 4.3.2a Series circuits, 4.3.2b Parallel circuits, 4.3.2c Current and potential difference in circuits, 4.3.2d Combined resistance of resistors in parallel, and 4.3.3 Action and use of circuit components. Each one has a worked solution and a mark scheme showing where the marks go.

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